Walnut Hill, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Walnut Hill, Illinois had a total population of 127, the 1301st largest village in Illinois. The poverty rate is 47.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- More than 1 in 4 residents live below the poverty line (47.2%), well above the national average of 12.4%.
- Only 9.1% of adults have a bachelor's degree, well below the national average of 35.7%.
Walnut Hill Quick Facts
How Walnut Hill Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 135 | 127 | -5.9% |
| Median home value | $33,000 | $31,600 | -4.2% |
How Walnut Hill Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Walnut Hill Rankings in Illinois
Explore Illinois Rankings
Other Cities in Marion County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Centralia | 11,856 | $47,807 | 24.3% | $89,600 |
| Salem | 7,236 | $59,728 | 16.3% | $106,100 |
| Central City | 1,081 | $44,896 | 29.1% | $47,600 |
| Sandoval | 1,004 | $52,841 | 26.7% | $59,100 |
| Odin | 972 | $46,131 | 18.3% | $102,600 |
| Wamac | 804 | $36,500 | 27.7% | $20,100 |
| Kinmundy | 803 | $42,303 | 15.8% | $95,400 |
| Junction City | 638 | $56,364 | 14.7% | $83,500 |
| Farina | 570 | $46,146 | 10.7% | $83,800 |
| Iuka | 534 | $61,146 | 9.6% | $72,600 |
Cities Similar to Walnut Hill
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Preemption | 127 | $86,406 | $110,900 | 21.9% | 0.0% |
| Allenville | 126 | $69,250 | $95,000 | 9.2% | 7.1% |
| Mill Shoals | 126 | $58,875 | $65,800 | 17.5% | 13.5% |
| Otterville | 126 | $65,991 | $66,000 | 1.7% | 12.8% |
| Donnellson | 129 | $45,875 | $51,700 | 2.3% | 41.9% |
A note before these figures: with a population of 127, Walnut Hill's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Walnut Hill is a small community located in Illinois, within Marion County. The total population is 127. It ranks as the 1301st most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Walnut Hill is 50.7 years. This is 30% higher than the state median of 39.0 years. 11.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The poverty rate stands at 47.2%. This is 300% higher than the state poverty rate of 11.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The survey records no unemployed residents in Walnut Hill, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $31,600. Housing costs are 88% lower than the state median of $263,300. 84.3% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 67.1%.
Race & Ethnicity
Walnut Hill has a predominantly White (non-Hispanic) population, comprising 92.1% of all residents. Hispanic or Latino residents account for 7.9%. The White (non-Hispanic) population is significantly higher than the state average (92.1% vs 58.1%). The Hispanic or Latino population (7.9%) is well below the state average of 18.8%.
Education
9.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 76% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 84.1%.
Data Sources & Methodology
All demographic data for Walnut Hill, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Walnut Hill, Illinois?
Walnut Hill, Illinois has a population of 127 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Walnut Hill, IL?
The Census Bureau does not publish a reliable median household income estimate for Walnut Hill — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Walnut Hill, IL?
The poverty rate in Walnut Hill is 47.2%. This means approximately 60 residents live below the federal poverty line.
What is the racial makeup of Walnut Hill, Illinois?
Walnut Hill's population is 92.1% White, 0.0% Black, 7.9% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Walnut Hill, IL?
The median home value in Walnut Hill is $31,600.
How educated is Walnut Hill, Illinois?
9.1% of adults (25+) in Walnut Hill hold a bachelor's degree or higher, and 9.1% hold a graduate or professional degree.